R-Car/Boards/Marzen

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Introduction

This is the Wiki for the Renesas R-Car H1 Marzen board. Refer to the R-Car page for information about Renesas' R-Car SoC family.

Serial Console

Serial settings are 115200 8N1.

Booting Linux

 * Kernel config: shmobile_defconfig
 * Kernel image: arch/arm/boot/uImage
 * DTB: arch/arm/boot/dts/r8a7779-marzen.dtb

Create a uImage with appended DTB:

make LOADADDR=0x60008000 uImage
rm arch/arm/boot/zImage
make zImage dtbs
cat arch/arm/boot/dts/r8a7779-marzen.dtb >> arch/arm/boot/zImage
$(cut -f 3- -d ' ' < arch/arm/boot/.uImage.cmd)

U-Boot boot command:

tftpboot 41000000 uImage
bootm 41000000

Suspend-to-RAM

Procedure

The system can be suspended using:

echo mem > /sys/power/state

Wake-Up Sources

Suspend-to-RAM supports the following wake-up sources:

  • gpio-keys: Wake-up using slide switches SW1-1 or SW1-2
  • sh-sci (Serial): Disabled by default

Remote Control

Operation Signal A Pin A Signal B Pin B Connector needed Comments
Reset EXIO_RESETn_3 CN23 pin 84 GND CN23 pin 87 Samtec QTE-020 (or -040 or -060)
Wake-Up SUB_TMS CN7 pin 5 GND CN7 pin 12 2-pin female Mini-PV Needs ARM: dts: marzen: Enable GP4_19 for wake-up from renesas-drivers#topic/board-farm
ACC ON TH8 D12.0V CN27 pin 1
or CN26 pin 1 or 2
1-pin female Mini-PV
JST PHR-2 or PHR-7
Pull high via 10K resistor to power on